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ZIP Code37845

Petros, TN

Morgan County · Tennessee · United States
Home to 116 people across 3.999 square miles.

EasternOwner-majority9 ZIPs in county

At a glance

37845 by the numbers

Every figure below comes from the 2019–2023 American Community Survey 5-Year Estimates, the Census Gazetteer, or is computed from those. Margins of error are shown where they matter.

Population
116
±99 · bottom 10% nationally
Median household income
$25,054
US median $70,109 · bottom 10%
Median home value
US median $207,500 ·
Median age
67
US median 42 years
Population density
29/mi²
32th pctile most dense
Land area
3.999 mi²
negligible water area

Location

Where 37845 is

36.103708, -84.450161 · Census ZCTA internal pointOpen larger map →
Coordinates36.103708, -84.450161
Time zoneAmerica/New_York
CountyMorgan County
StateTennessee (TN)
Land area3.999 mi²
Coordinate sourceCensus ZCTA internal point

Local time

America/New_York

—:—:—

Current weather

Live from the National Weather Service

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Distance to major cities

Straight-line, computed from coordinates

Atlanta, GA162.7 mi
Chicago, IL433.9 mi
Philadelphia, PA570.6 mi
New York, NY648.3 mi

People

Who lives in 37845

116 residents in 59 households, averaging 1.97 people per household. The largest age group is 65+ at 75.0% of residents, and 49.2% of households are a single person living alone.

Age distribution

Share of residents by age band

Under 180.0%
18-240.0%
25-340.0%
35-440.0%
45-540.0%
55-6425.0%
65+75.0%

Households

Composition and size

Total households59
Average household size1.97
Family households50.8%
Living alone49.2%
Median age67 years
Households with internet61.0%

Race & ethnicity

Census race categories. Hispanic or Latino origin is asked separately and overlaps these groups.

White94.0%
Two or more6.0%

Income & work

What people earn in 37845

The median household here earns $25,054 a year, below the US median of $70,109, which puts 37845 ahead of 1% of American ZIP codes. 0.0% of residents live below the poverty line.

Compared to the US

This ZIP against the national median

Median household income$25,054
LowestHighest
Higher than 1% of all US ZIP codes.
Median household income$25,054 ±$17,818
Per capita income$17,626
Poverty rate0.0%
Unemployment rateNone%
Labor force participation0.0%

Household income distribution

Share of households in each bracket

<$25k49.2%
$25-50k39.0%
$50-75k11.9%
$75-100k0.0%
$100-150k0.0%
$150-200k0.0%
$200k+0.0%

Educational attainment among residents 25 and older: 0.0% hold a bachelor's degree or higher, 75.0% finished high school.

Housing

Homes and rent in 37845

Housing cost data is suppressed for this ZIP code.

Costs

Typical values

Median home value
Median gross rent—/mo
Median year built1957
Housing units119
Vacancy rate50.4%

Own vs. rent

Of 59 occupied units

Owner-occupied100.0%
Renter-occupied0.0%
Owner households59
Renter households0

Building types

Units by structure size

Single family60.5%
20+ units39.5%

Overview

Understanding ZIP code 37845

ZIP code 37845 is assigned to Petros, TN, and falls within Morgan County. Like every US postal code, it began as a mail-routing device rather than a geographic boundary — the US Postal Service groups delivery routes under a single code so carriers and sorting equipment can process mail efficiently. Today it also serves as a practical shorthand for the area itself: roughly 116 people live inside it.

At 29 residents per square mile spread over 3.999 square miles, 37845 reads as a rural area. It is a sparsely populated postal code, and density shapes almost everything else on this page — how people get to work, whether they own or rent, and what housing costs.

Household earnings are well below the national median. At $25,054, 37845 ranks among the lower-income postal codes, ahead of 1% of them. The US median for comparison is $70,109. Bear in mind that median income describes the midpoint household, not the average — it is not pulled upward by a handful of very high earners the way a mean would be.

Living here

What life in Petros looks like

The building stock is dominated by detached single-family houses, which account for 60.5% of housing units here. The median construction year is 1957, making the housing here mid-century. The vacancy rate of 50.4% is high, which in many places reflects seasonal or second-home use rather than abandonment.

The population skews considerably older than the national median, with a median age of 67 against 42 nationally. Households average just 1.97 people, and 49.2% consist of one person living alone — a signature of areas with a lot of studio and one-bedroom stock.

Where to stay

Where to stay in Petros, TN

37845 covers a rural area, and accommodation within the postal code itself is likely to be sparse — perhaps a country inn, a lodge or a vacation rental rather than a conventional hotel. Widening the search radius is usually the practical approach, and it also opens up more availability at short notice.

For reference, Atlanta, GA is about 162.7 miles away in a straight line, which is worth factoring in if you are comparing a stay here against one closer to the city centre.

Availability and pricing change constantly, so the live search below will give you a more accurate picture than any figure we could publish here. It opens results for this area on Booking.com.

Book a Hotel →

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Practical uses

What ZIP code 37845 is used for

Beyond addressing mail, 37845 does a lot of quiet administrative work. Retailers use it to calculate shipping and sales tax at checkout. Insurers use it to set premiums, since risk profiles vary geographically. Employers and marketers use it to define service areas. Government agencies use it to route benefits and organise reporting. If you have ever been asked for a postal code by a form that clearly does not intend to send you anything, this is why.

For anyone weighing a move, 37845 offers a compact profile of Petros: 116 residents, a median household income of $25,054, and 0.0% of adults holding a bachelor's degree or higher. A handful of figures like these answer more relocation questions than most neighbourhood guides do.

One caution worth repeating: a postal code is not a neighbourhood. 37845 may cover parts of several distinct areas, and a single neighbourhood in Petros may be split across more than one code. Boundaries also shift as USPS adjusts delivery routes. Treat the figures here as describing a delivery area, which is what they actually measure.

Nearby

ZIP codes near 37845

The eight closest postal codes by centroid distance, each with its own full profile. You can also browse every Tennessee ZIP code or use the ZIP Express Lookup to search by city, county or time zone.

More in Morgan County

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Questions

Common questions about 37845

What city is ZIP code 37845 in?
37845 serves Petros, Tennessee, in Morgan County, United States.
What is the population of 37845?
About 116 people live in ZIP code 37845, according to the US Census Bureau's 2019–2023 American Community Survey 5-Year Estimates. The margin of error on that figure is ±99. That works out to roughly 29 people per square mile.
What is the average income in 37845?
The median household income in 37845 is $25,054 per year, compared with a US median of $70,109. Per capita income is $17,626. Median income is more representative than an average because it isn't skewed by a small number of very high earners.
Is 37845 a good place to live?
That depends on what you're looking for, but here are the facts: 0.0% of adults hold a bachelor's degree or higher, the unemployment rate is None%, and the median age is 67. We publish the numbers and let you weigh them.
What time zone is 37845 in?
37845 observes Eastern Time (America/New_York). This zone observes daylight saving time.
How big is ZIP code 37845?
ZIP code 37845 covers 3.999 square miles of land, per the US Census Bureau's 2023 Gazetteer files.
Is 37845 urban, suburban or rural?
By population density, 37845 reads as a rural area. It holds 29 people per square mile across 3.999 square miles of land. For reference, densities above 10,000 per square mile generally indicate an urban core, 1,000–3,000 is typically suburban, and under 200 is rural. These are rules of thumb rather than official designations — the Census Bureau classifies urban and rural areas by census block, not by ZIP code.
How many people work in 37845?
About 0 residents of 37845 are employed. Labor force participation stands at 0.0% and the unemployment rate is None%. Note this counts residents by where they live, not by where they work — a ZIP with many offices can have far more jobs than employed residents.
Where should I stay when visiting 37845?
Accommodation in and around Petros, TN ranges with the character of the area. See the 'Where to stay' section on this page for local context, and use the live search there for current availability and pricing.
Does 37845 cover more than one city or county?
This page lists Petros as the primary place and Morgan County as the county. ZIP codes follow mail delivery routes rather than municipal or county lines, so a single code can straddle boundaries, and USPS also recognises alternate acceptable city names for many codes. If you need the definitive answer for a specific street address, the USPS ZIP Code Lookup is the authority.
Can ZIP code 37845 change?
Yes. USPS adjusts ZIP codes as delivery volumes shift — codes are occasionally split, merged, retired or newly created, and boundaries move more often than most people assume. The Census Bureau's ZCTA definitions, which underpin the demographic figures on this page, are redrawn only once a decade, so the two can drift apart between censuses.

Methodology

Where this data comes from

  • Postal geography — GeoNames open postal code database (CC BY 4.0), cross-checked against the US Census Gazetteer.
  • Demographics, income, housing, commute — US Census Bureau, American Community Survey 2019–2023 5-Year Estimates, ZIP Code Tabulation Area 37845. Tables B01001, B01002, B01003, B02001, B03003, B08301, B08303, B11001, B15003, B17001, B19001, B19013, B19301, B23025, B25002, B25003, B25024, B25035, B25064, B25077, B28002.
  • Land and water area — US Census Bureau 2023 Gazetteer Files.
  • Weather — NOAA National Weather Service, fetched live in your browser.
  • Map — OpenStreetMap contributors (ODbL).
On accuracy. ACS figures are survey estimates, not counts. The margin of error shown alongside the population figure means the true value has a 90% chance of falling in that range. For small ZIP codes the error can be large relative to the estimate — treat the direction as more reliable than the exact number. This page reports data for ZCTA 37845, the Census approximation of the USPS delivery area.